Through the studies of Exploration to Wide and Complete Chapter on Normal and Abnormal Chnages in Six Climates and the basic theory of doctrine on five elements’ motion and six kinds of natural factor,the regularity and the easy way of inquiry have been found about abnormal changes in climate,five seasons and generation of the excessiveness and inadequacy. And corrections have been made to the teaching materials of the Yellow Emperor’s Internal Classic (textbook in the sixth edition) as well as some mistakes in some books found in the process of inquiry. Simultaneously,correction have also been made to some wrong expositions handed down from one generation to generation for hundreds of years. That’s of great value for further study of the theory,doctrine on five elements’ motion and six kinds of natural factors and is of some realistic significance in prevention,diagnosis and treatment of diseases in clinical practice.